# L12X Solid State Amplifier vs Air Synth

The clearest difference is price: L12X Solid State Amplifier at Free against Air Synth's $1.99. L12X Solid State Amplifier also leads on update cadence (weekly vs every 2 months) and ratings volume (9 vs 1). Air Synth's advantage is rating (5.0 vs 4.4). On ads and in-app purchases there is nothing between them.

L12X Solid State Amplifier is free to download; Air Synth costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Air Synth holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: L12X Solid State Amplifier has 9 ratings behind it against 1, so its average is the more settled of the two.

L12X Solid State Amplifier ships an update weekly, Air Synth every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | L12X Solid State Amplifier | Air Synth |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/l12x-solid-state-amplifier/id6746237638/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/air-synth/id6746959898/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 30 MB | 43 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Audiority Srl](https://appshunter.io/developer/1815900942) | [Air Dev](https://appshunter.io/developer/1819194799) |

## What reviewers say

### L12X Solid State Amplifier

[App page](https://appshunter.io/ios/app/l12x-solid-state-amplifier/id6746237638)

This app offers an analog simulation of a classic solid-state guitar amplifier, enhanced with extra channels and a contour knob for versatile tone shaping. It includes an integrated cabinet simulator with a high-quality impulse response for authentic sound.

**Highlights:** Analog simulation of Marshall Lead 12, Clean and Metal channels, Contour knob for tone shaping, Boost overdrive stage, Integrated Cab Simulator, Marshall cabinet IR with Celestion V30

**Features:** Vision Pro support

**In-app purchases:** none


### Air Synth

[App page](https://appshunter.io/ios/app/air-synth/id6746959898)

Transform your phone into a motion-controlled musical instrument. Explore a simplified mode for younger users or dive into advanced synthesis features. Experience expressive soundscapes controlled by your movements.

**Highlights:** Motion-controlled pitch and effects, Camera, gyroscope, and accelerometer tracking, Adjustable sensitivity settings, Diverse expressive presets, Advanced synthesis parameters (oscillators, LFO, filters), Simplified mode for kids, Save custom presets

**In-app purchases:** none


## Frequently asked questions

### Is L12X Solid State Amplifier free?

L12X Solid State Amplifier is free to download, with no in-app purchases.

### Is Air Synth free?

Air Synth costs $1.99, with no in-app purchases.

### Which has better reviews, L12X Solid State Amplifier or Air Synth?

Air Synth is rated higher. L12X Solid State Amplifier averages 4.4 out of 5 from 9 ratings, while Air Synth averages 5.0 from 1 ratings.

### Do L12X Solid State Amplifier or Air Synth have ads?

Neither L12X Solid State Amplifier nor Air Synth shows ads.

### Which is updated more often, L12X Solid State Amplifier or Air Synth?

L12X Solid State Amplifier ships an update weekly, and Air Synth every 2 months. Most recently, L12X Solid State Amplifier was updated on October 24, 2026 and Air Synth on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*